FI812870L - Stoerningsfilter foer foerbraenningsgasanalysator - Google Patents

Stoerningsfilter foer foerbraenningsgasanalysator

Info

Publication number
FI812870L
FI812870L FI812870A FI812870A FI812870L FI 812870 L FI812870 L FI 812870L FI 812870 A FI812870 A FI 812870A FI 812870 A FI812870 A FI 812870A FI 812870 L FI812870 L FI 812870L
Authority
FI
Finland
Prior art keywords
stoerningsfilter
foerbraenningsgasanalysator
foer
stoerningsfilter foer
foer foerbraenningsgasanalysator
Prior art date
Application number
FI812870A
Other languages
English (en)
Inventor
David L Matlock
Original Assignee
Econics Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Econics Corp filed Critical Econics Corp
Publication of FI812870L publication Critical patent/FI812870L/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/274—Calibration, base line adjustment, drift correction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FI812870A 1980-12-16 1981-09-17 Stoerningsfilter foer foerbraenningsgasanalysator FI812870L (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21728080A 1980-12-16 1980-12-16

Publications (1)

Publication Number Publication Date
FI812870L true FI812870L (fi) 1982-06-17

Family

ID=22810387

Family Applications (1)

Application Number Title Priority Date Filing Date
FI812870A FI812870L (fi) 1980-12-16 1981-09-17 Stoerningsfilter foer foerbraenningsgasanalysator

Country Status (4)

Country Link
JP (1) JPS57101745A (fi)
DE (1) DE3139312A1 (fi)
FI (1) FI812870L (fi)
GB (1) GB2089972A (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59145957A (ja) * 1983-01-08 1984-08-21 Horiba Ltd 光音響型濃度測定装置
JPS63262126A (ja) * 1987-04-21 1988-10-28 日本精密測器株式会社 血圧測定法
US5408314A (en) * 1993-02-24 1995-04-18 Perry; Jeffrey Dark current subtraction with abbreviated reference cycles and recursive filtering
DE19733920A1 (de) * 1997-08-06 1999-02-25 Forschungszentrum Juelich Gmbh Vorrichtung zur Störsignalunterdrückung mit frequenzabhängiger adaptiver Kompensation sowie eine solche Vorrichtung enthaltendes Gradiometer
CA2351792C (en) * 2000-06-26 2010-07-27 Murray J. Thomson Method and apparatus for improved process control in combustion applications

Also Published As

Publication number Publication date
JPS57101745A (en) 1982-06-24
GB2089972A (en) 1982-06-30
DE3139312A1 (de) 1982-08-05

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: ECONICS CORPORATION